Organic molecular sensor with plasmon antenna

M. Yanagisawa, N. Shimamoto, T. Nakanishi, Mikiko Saito, Tetsuya Osaka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

An organic molecular sensor with a plasmon antenna was developed. A coaxial Ag grating antenna was designed by a finite differential time domain (FDTD) calculation and fabricated by a lift-off process. When pumping light was irradiated onto the sensor, a surface plasmon wave was generated and focused at the center of the antenna; this wave produced a strong electric field. By coating a cystamine self-assembled monolayer (SAM) onto the sensor, strong Raman scattering light produced by a surface-enhanced Raman scattering (SERS) effect was observed at the center of the device. The Raman spectrum showed good agreement with that of cystamine on a Ag surface. The Raman intensity at the center of the device increased significantly and was more than 2,000 times that outside the device. Our optical sensor can detect an unknown single molecule and can be incorporated into other sensors such as gas sensors and biosensors.

Original languageEnglish
Title of host publicationECS Transactions
Pages397-409
Number of pages13
Volume16
Edition11
DOIs
Publication statusPublished - 2008
EventChemical Sensors 8: Chemical (Gas, Ion, Bio) Sensors and Analytical Systems - 214th ECS Meeting - Honolulu, HI
Duration: 2008 Oct 122008 Oct 17

Other

OtherChemical Sensors 8: Chemical (Gas, Ion, Bio) Sensors and Analytical Systems - 214th ECS Meeting
CityHonolulu, HI
Period08/10/1208/10/17

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Antennas
Raman scattering
Sensors
Optical sensors
Self assembled monolayers
Chemical sensors
Biosensors
Electric fields
Coatings
Molecules

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Yanagisawa, M., Shimamoto, N., Nakanishi, T., Saito, M., & Osaka, T. (2008). Organic molecular sensor with plasmon antenna. In ECS Transactions (11 ed., Vol. 16, pp. 397-409) https://doi.org/10.1149/1.2981145

Organic molecular sensor with plasmon antenna. / Yanagisawa, M.; Shimamoto, N.; Nakanishi, T.; Saito, Mikiko; Osaka, Tetsuya.

ECS Transactions. Vol. 16 11. ed. 2008. p. 397-409.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yanagisawa, M, Shimamoto, N, Nakanishi, T, Saito, M & Osaka, T 2008, Organic molecular sensor with plasmon antenna. in ECS Transactions. 11 edn, vol. 16, pp. 397-409, Chemical Sensors 8: Chemical (Gas, Ion, Bio) Sensors and Analytical Systems - 214th ECS Meeting, Honolulu, HI, 08/10/12. https://doi.org/10.1149/1.2981145
Yanagisawa M, Shimamoto N, Nakanishi T, Saito M, Osaka T. Organic molecular sensor with plasmon antenna. In ECS Transactions. 11 ed. Vol. 16. 2008. p. 397-409 https://doi.org/10.1149/1.2981145
Yanagisawa, M. ; Shimamoto, N. ; Nakanishi, T. ; Saito, Mikiko ; Osaka, Tetsuya. / Organic molecular sensor with plasmon antenna. ECS Transactions. Vol. 16 11. ed. 2008. pp. 397-409
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